Add to Basket. Hydronix SWC-45-2050 String Wound Water Filter Cartridge for Whole House, Wells or Commercial 4.5" x 20" - 50 micron, APEC Water Systems Replacement O-Ring For 10" or 20" Big Blue and Clear Water Filter Housing (O-RING-HB), Aquaboon 1 Micron 20" Big Blue Pleated Sediment Water Filter Replacement Cartridge | Whole House Sediment Filtration | Compatible with ECP5-BB, AP810-2, HDC3001, CP5-BB, ECP1-20BB 10-Pack, APPLIED MEMBRANES INC pH Neutralization Water Filter Cartridge | Calcite Filter to Raise Alkalinity of Low pH Water | 20" Big Blue Size Fits 20” Big Blue Filter Housing | H-F4220CALCITE (20" Big Blue), Hydronix SPC-45-2020 Pleated Water Filter Whole House Commercial Industrial Washable and Reusable 4.5" x 20" - 20 micron, Apex RF-3030 Whole House Water Filtration System Replacement Filter Cartridge Pack, APPLIED MEMBRANES INC. 1 Micron Sediment Filter Replacement | 20" Big Blue Whole House Sediment Filter | Depth Filter Removes Rust, Dirt, Sand, Silt, Algae, and Suspended Solids H-F20BB01CF, Captain O-Ring - Pentek, Pentair Water 151122 Replacement O-Rings for OEM Size Big Blue ORing Buna-N (3 Pack), Aquaboon Big Blue CTO Carbon Block & Sediment 20"x4.5" Replacement Filter Cartridges Set, Whole House Water Filter Purifier System, Transparent 20” Housing with Presser Relief Button, 1” Inlet/Outlet & 5 Micron Sediment Water Filter Cartridge with 3 Replacement Filters, Aquaboon 4-Pack of 5 Micron 10" Big Blue Sediment Water Filter Replacement Cartridge | Whole House Sediment Filtration | Compatible with W15-PR, HD-950, WFHD13001B, GXWH35F, GXWH30C, HF45-10BLBK10PR, Aquaboon 6-Pack of 5 Micron 10" Big Blue Sediment Water Filter Replacement Cartridge | Whole House Sediment Filtration | Compatible with W15-PR, HD-950, WFHD13001B, GXWH35F, GXWH30C, HF45-10BLBK10PR, Aquaboon 6-Pack of 5 Micron 10" Sediment Water Filter Replacement Cartridge for Any Standard RO Unit | Whole House Sediment Filtration | Compatible with DuPont WFPFC5002, Pentek DGD series, RFC, Water Filtration Solutions by Pentair Pentek®, Quality Water with iSpring Whole House Filters. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. The Pentek R302. Carbon Block Cartridges; Sediment Cartridges; Carbon Block Filters & Granular Carbon/KDF Filters Carbon Blocks are the best filters available for chemical reduction and taste/odor improvement. £36.99. Our standard filters measure as follows: They are 20 inches (508mm) high. Product details. Find the proper replacement cartridge for your system by selecting a category with the length and the type of filter you need. The UF-15 replacement filter is compatible with the Coral UC100 under counter water filtration system. Price $19.99. The ideal size of a water filter is 1. £13.95. £62.99. Geekpure 20-Inch Big Blue Water Filter Cartridge Replacement PP Sediment and Block Carbon Filters-4.5 Inch x 20 Inch -5 Micron (Pack of 4) 4.3 out of 5 stars 9 CDN$ 139.99 CDN$ 139 . Harmsco Calypso Blue 20" Big Blue 5 Micron Filter Cartridge With more pleated polypropylene filter media providing a greater surface area for a longer filter life… Read More › $59.95 $57.99 Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. Please select another category for more information. 1 Micron Carbon Block Filter Cartridge - 4.5 x 20 inch . Homeland Coffee Brewing and Ice Filter. They have a 1 inch hole at either end, in the middle, to slot into the housing unit. With a water filter port size of 1 inch, using a ⅔ inch piping system in your home will not result in a bottleneck when fitted in the pipe. A wide variety of water filter cartridge replacement 20 inch options are available to you, such as condition, local service location, and applicable industries. Fits standard sized 20" filter housings, fitler diameter is 2 1/2".